Chinese Scientists Make Hemostatic Gauze That Reduces Blood Loss 60%

(Yicai Global) Jan. 29 -- Scientists at the Chinese Academy of Sciences have developed non-blood-absorbing hemostatic gauze after repeated experiments. Compared with traditional medical gauze, this new achievement can diminish blood loss by about 60 percent, Science and Technology Daily reported.

Collaborating with Professor Shao Longquan from Southern Medical University, Zhao Ning and Xu Jian from laboratory of Polymer Physics and Chemistry of Institute of Chemistry, Chinese Academy of Sciences, devised a new concept of hemostatic material from the viewpoint of hydrophilicity and hydrophobicity of materials (gauze). This solves the excessive blood absorption of traditional gauze during use.

They built a micro-nano structured layer in a surface of traditional gauze fiber with medical long-chain paraffin using nanotechnology, turning the conventional gauze blood-phobic from blood-philic. The gauze is thus freed from blood infiltration after processing with this technology.

They further superimposed the gauze over conventional gauze, using the lower gauze to promote blood coagulation and the upper layer to produce negative pressure to prevent blood soaking and infiltration to achieve effective hemostasis and lower blood loss.

Animal experiments show the survival time of rats bleeding from the carotid artery extended by about 40 percent by the new hemostatic gauze, which is expected to allow more time for victim rescue.

The discoverers have applied for national invention patents for their research results and will publish relevant papers online soon in international academic journal Advanced Medical Materials.

Recent Reviews :

The title is misleading, of course. Hemostatic gauze has existed for a while, most notably is combat gauze. With combat gauze, however, if it gets any amount of blood on it before it reaches the actual source of the bleeding then it is useless. It uses a form of clay to stop bleeding, but if it touches any blood before the site then the clay will be “used up.” It’s not a huge deal, because if you use all the gauze in the roll then it’s still effective.

With this, however, it doesn’t absorb any blood, so the problem with having it’s hemostatic agent “used up” doesn’t exist. It also does not appear to be a full roll of gauze that you pack the wound with, but rather an outer covering like a band aid.

TL;DR: hemostatic gauze has existed for a while. This version is better because it doesn’t absorb blood.

Animal experiments show the survival time of rats bleeding from the carotid artery extended by about 40 percent by the new hemostatic gauze, which is expected to allow more time for victim rescue.

So it's useful in cases of significant external bleeding when tourniquet can be problematic.

They built a micro-nano structured layer ...

What in the hell does that even mean?

This seems interesting. I wonder how it works compared to other things such as the new XSTAT injectable hemostatic for gunshot wounds. Would be interesting to see some test videos.

It kind of reminds me of quick clot... Which is a combat bandaid of sorts that burns like hell when applied

They were slicing rats throats to see how effective their bandage was? :-/
I don't judge, just curious :)

I wonder if this is based on Yunnan Baiyao, which has been used as a hemostatic agent in chinese medicine for ages.

They say it was famous for being carried by vietcong during Vietnam to stop bleeding.

This is very misleading. We utilize hemostatic gauze already in the OR. There is a complete line of dressings that we use that reduces blood loss and lessens the chances of infection due to contamination through the use of silver infused materials.

Animal experiments show the survival time of rats bleeding from the carotid artery extended by about 40 percent

Poor animals getting cut open like that.

An enterostomal nurse focused on traveling to teach other nurses taught me that most wound care supply companies will compare their products to regular gauze since regular gauze sucks as a dressing.

On the downside, patients will have a 1-in-3 chance of blood poisoning due to QC issues.

BUT like their other products, what they show you and what they are going to sell and ship you is completely different and low quality, like a lot of their drugs.

Related Posts :

TIL that Bruce Lee was absolutely convinced he would lose in a fight to Muhammad Ali. “Look at my hand,” he said. “That’s a little Chinese hand. He’d kill me."

Britain's 'worst ever' child grooming scandal exposed: Hundreds of young girls raped, beaten, sold for sex and some even killed: Authorities failed to act over 40 years - despite repeated warnings to social workers - with up to 1,000 girls, some as young as 11, abused in Telford.

Fishing boat caught with illegal 18-mile-long nets: 'A risk to almost all marine life'. A fishing ship carrying 600 illegal nets stretching up to 18 miles has been seized after it escaped Chinese authorities, while using the flags of eight different countries to evade capture.